//
//  CZVistorView.swift
//  swiftweibo1.0
//
//  Created by 许建安 on 15/11/23.
//  Copyright © 2015年 itcast. All rights reserved.
//

import UIKit
//构造CZVistorView的init方法

//协议
protocol CZVistorViewDelegate: NSObjectProtocol {
    func vistorViewLoginClick()
}


class CZVistorView: UIView {
    
    //MARK: - 属性
    //代理
    weak var delegate: CZVistorViewDelegate?
    
    // swift默认所有的view都能通过xib/storyboard 加载
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(code:) has not been implemented")
    }
    
    override init(frame: CGRect) {
        //super是要在设置普通的存储型属性的下面
        super.init(frame: frame)
        
        //设置背景颜色
        backgroundColor = UIColor(white: 237/255.0, alpha: 1)
        
        prepareUI()
    }
    
    //MARK: - 按钮点击事件
    func loginClick() {
        //通知代理
        delegate?.vistorViewLoginClick()
    }
    
    
    //MARK: - 让转轮转起来
    func rotationAnimation() {
        //核心动画，旋转
        let rotation = CABasicAnimation(keyPath: "transform.rotation")
        
        //设置动画参数
        rotation.toValue = 2 * M_PI
        rotation.duration = 20
        rotation.repeatCount = MAXFLOAT
        
        //当不可见的时候，系统认为动画完成，完成的时候不要移除动画
        rotation.removedOnCompletion = false
        
        //开始核心动画
        iconView.layer.addAnimation(rotation, forKey: "rotation")
    }
    
    // MARK: - 暂停核心动画
    func pauseAnimation() {
        //记录暂停的时间
        let pauseTime = iconView.layer.convertTime(CACurrentMediaTime(), fromLayer: nil)
        //设置动画速度为0
        iconView.layer.speed = 0
        
        //设置动画偏移时间
        iconView.layer.timeOffset = pauseTime
    }
    //恢复旋转
    func resumeAnimation() {
        // 获取暂停时间
        let pauseTime = iconView.layer.timeOffset
        
        // 设置动画速度为1
        iconView.layer.speed = 1
        
        iconView.layer.timeOffset = 0
        
        iconView.layer.beginTime = 0
        
        let timeSincePause = iconView.layer.convertTime(CACurrentMediaTime(), fromLayer: nil) - pauseTime
        
        iconView.layer.beginTime = timeSincePause
    }
    
    //MARK: - 设置访客视图的内容
    func setupVistorView(imageName: String, message: String) {
        //图片，替换转轮的图片
        iconView.image = UIImage(named: imageName)
        
        //文字
        messageLabel.text = message
        //适应大小
        messageLabel.sizeToFit()
        
        //隐藏小房子
        homeView.hidden = true
        coverView.hidden = true
        
        
    }
    
    
    
    
    //准备UI
    private func prepareUI() {
        //1. 添加子控件
        addSubview(iconView)
        //遮罩
        addSubview(coverView)
        addSubview(homeView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        
        //2. 添加约束
        //关闭自动布局
        iconView.translatesAutoresizingMaskIntoConstraints = false
        coverView.translatesAutoresizingMaskIntoConstraints = false
        homeView.translatesAutoresizingMaskIntoConstraints = false
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        
        //约束转轮
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -40))
        
        //小房子
        addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))
        
        //消息label
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 226))
        
        //注册按钮
        //左边和label对齐
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Left, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Left, multiplier: 1, constant: 0))
        //顶部距离label底部16
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        //宽
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 90))
        //高
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        //登录按钮
        //左边和label对齐
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Right, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Right, multiplier: 1, constant: 0))
        //顶部距离label底部16
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        //宽
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 90))
        //高
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        //遮罩的约束
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Left, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Left, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Right, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Right, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: registerButton, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
    }
    
    
    
    //MARK: - 懒加载
    //转轮
    private lazy var iconView : UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    //小房子
    private lazy var homeView : UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    //消息label
    private lazy var messageLabel : UILabel = {
        let label = UILabel()
        
        //设置文本的字体颜色
        label.textColor = UIColor.darkGrayColor()
        //设置文本
        label.text = "关注一些人，看看有什么惊喜"
        label.numberOfLines = 0
        //根据文本使用大小
        label.sizeToFit()
        
        return label
    }()
    
    //注册按钮
    private lazy var registerButton : UIButton = {
        let button = UIButton()
        
        //设置按钮的背景图片
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitle("注册", forState: UIControlState.Normal)
        
        //设置文本颜色
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        
        //设置文本大小
        button.titleLabel?.font =  UIFont.systemFontOfSize(14)
        
        //根据内容适应大小
        button.sizeToFit()
        
        return button
        }()
    
    
    
    //登录按钮
    private lazy var loginButton : UIButton = {
        let button = UIButton()
        
        //设置按钮的背景图片
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitle("登录", forState: UIControlState.Normal)
        
        //设置文本颜色
        button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
        
        //设置文本大小
        button.titleLabel?.font =  UIFont.systemFontOfSize(14)
        
        //根据内容适应大小
        button.sizeToFit()
        
        return button
    }()
    
    
    //遮罩视图
    private lazy var coverView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    
    
    
 
    

}
